Before the discovery of the neodymium magnet, the strongest permanent magnet was the samarium–cobalt magnet, which was based on the Sm 2 Co 17 intermetallic phase. However, samarium is expensive ...
a father and son died while magnet fishing in 2018, prompting a warning from the coroner about the "inherent dangers" of the pastime. Martin Andrews, 43, and Jack, 19, were using a very strong ...
Magnet fishing in Scotland's canals will now have ... such as this WW1 grenade found in Leicester Magnet fishers use a strong magnet on the end of a rope to trawl rivers, canals and lakes for ...